Wireless headphone set



FIG. 1 is a perspective view showing a wireless headphone set.

FIG. 2 is a front view of a wireless headphone set.

FIG. 3 is a rear view of a wireless headphone set.

FIG. 4 is a top view of a wireless headphone set.

FIG. 5 is a bottom view of a wireless headphone set.

FIG. 6 is a side view of a wireless headphone set; and,

FIG. 7 is a side view of a wireless headphone set.

The broken lines depict environment that forms no part of the claimed design. 

CLAIM The ornamental design for a wireless headphone set, as shown and described. 